Five. 5. 5ive.

Feb 20, 2008

Trying to look fly.

5 (five) is a number, numeral, and glyph. It is the natural number following 4 and preceding 6.

Five is between 4 and 6 and is the third prime number, after 2 and 3, and before 7. Because it can be written as 2^(2^1)+1, five is classified as a Fermat prime. 5 is the third Sophie Germain prime, the first safe prime, and the third Mersenne prime exponent. Five is the first Wilson prime and the third factorial prime, also an alternating factorial. It is an Eisenstein prime with no imaginary part and real part of the form 3n âˆ’ 1. It is also the only number that is part of more than one pair of twin primes.